423485849 has 2 divisors, whose sum is σ = 423485850. Its totient is φ = 423485848.

The previous prime is 423485789. The next prime is 423485873. The reversal of 423485849 is 948584324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417916249 + 5569600 = 20443^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 423485849 - 2⁸ = 423485593 is a prime.

It is not a weakly prime, because it can be changed into another prime (423485449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211742924 + 211742925.

It is an arithmetic number, because the mean of its divisors is an integer number (211742925).

Almost surely, 2^423485849 is an apocalyptic number.

It is an amenable number.

423485849 is a deficient number, since it is larger than the sum of its proper divisors (1).

423485849 is an equidigital number, since it uses as much as digits as its factorization.

423485849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 47.

The square root of 423485849 is about 20578.7718049450. The cubic root of 423485849 is about 750.9533647991.

The spelling of 423485849 in words is "four hundred twenty-three million, four hundred eighty-five thousand, eight hundred forty-nine".